Phylum [Vertebrata] Lamarck, 1801 see Infraphylum Vertebrata Lamarck, 1801
   Class Reptilia Linnaeus, 1758 - reptiles
     Subclass †uncertain
       Order †Placodontia Owen, 1859
         Family †Henodontidae Huene, 1936
           Genus †Henodus von Huene, 1936